---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1499 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 61G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 712 10722 4 4554 14934 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ce:55:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80819sec preferred_lft 80819sec inet6 fe80::f816:3eff:fece:5592/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:30:87:2b:00:96 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::4030:87ff:fe2b:96/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1499) 04/09/26 _x86_64_ (4 CPU) 13:50:22 LINUX RESTART (4 CPU) 14:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:00 72.24 22.11 47.35 2.78 257.92 5525.15 4302.39 14:20:09 20.43 1.04 18.37 1.02 12.16 765.75 1341.36 14:30:09 16.45 0.15 15.60 0.71 7.65 441.35 650.47 14:40:01 23.39 0.03 7.23 16.12 0.86 193.86 213236.68 14:50:09 5.62 0.01 5.40 0.20 1.04 149.29 199.74 15:00:09 5.37 0.03 5.16 0.18 2.69 144.81 63.92 15:10:01 9.19 0.05 8.74 0.39 4.01 560.70 212.54 15:20:09 7.84 0.03 7.49 0.32 1.32 260.24 384.55 Average: 19.94 2.89 14.36 2.69 35.49 995.68 27219.27 14:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:00 7071192 10614836 5315676 32.47 273004 3232436 6720796 38.58 2186596 6508724 2724 14:20:09 4031252 7683436 8247804 50.37 278588 3335124 9084960 52.15 2249868 9481000 84 14:30:09 7681964 11389772 4544632 27.76 281148 3388184 5374700 30.85 2260232 5849096 152 14:40:01 7784472 11518836 4415704 26.97 282544 3413340 5267528 30.24 2267500 5727104 456 14:50:09 6214720 9966972 5966500 36.44 283244 3430592 6791612 38.98 2269744 7301296 524 15:00:09 6098148 9868796 6064652 37.04 283748 3448492 6837724 39.25 2273956 7416048 252 15:10:01 7428440 11323364 4610984 28.16 287452 3565900 5410900 31.06 2281124 6071096 356 15:20:09 6730104 10666032 5267788 32.17 288360 3605964 6060980 34.79 2300000 6750416 200 Average: 6630036 10379006 5554218 33.92 282261 3427504 6443650 36.99 2261128 6888098 594 14:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:00 lo 25.94 25.94 17.44 17.44 0.00 0.00 0.00 0.00 14:10:00 ens3 2.72 2.11 0.90 0.72 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:09 lo 42.38 42.38 18.02 18.02 0.00 0.00 0.00 0.00 14:20:09 ens3 1.66 1.34 0.44 0.39 0.00 0.00 0.00 0.00 14:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:09 lo 20.37 20.37 9.57 9.57 0.00 0.00 0.00 0.00 14:30:09 ens3 0.94 0.71 0.18 0.14 0.00 0.00 0.00 0.00 14:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 17.30 17.30 8.75 8.75 0.00 0.00 0.00 0.00 14:40:01 ens3 0.70 0.55 0.14 0.11 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:09 lo 29.18 29.18 11.59 11.59 0.00 0.00 0.00 0.00 14:50:09 ens3 0.95 1.03 0.14 1.56 0.00 0.00 0.00 0.00 14:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:09 lo 20.00 20.00 10.68 10.68 0.00 0.00 0.00 0.00 15:00:09 ens3 0.80 0.59 0.20 0.15 0.00 0.00 0.00 0.00 15:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 16.37 16.37 9.76 9.76 0.00 0.00 0.00 0.00 15:10:01 ens3 1.38 1.18 9.26 0.21 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:09 lo 24.01 24.01 10.22 10.22 0.00 0.00 0.00 0.00 15:20:09 ens3 0.80 0.69 0.17 0.14 0.00 0.00 0.00 0.00 15:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 24.51 24.51 12.01 12.01 0.00 0.00 0.00 0.00 Average: ens3 1.24 1.02 1.41 0.43 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1499) 04/09/26 _x86_64_ (4 CPU) 13:50:22 LINUX RESTART (4 CPU) 14:00:09 CPU %user %nice %system %iowait %steal %idle 14:10:00 all 67.03 0.00 2.80 0.09 0.18 29.91 14:10:00 0 66.69 0.00 2.66 0.05 0.18 30.41 14:10:00 1 67.21 0.00 2.74 0.13 0.18 29.74 14:10:00 2 66.59 0.00 2.86 0.05 0.18 30.33 14:10:00 3 67.62 0.00 2.94 0.12 0.18 29.14 14:20:09 all 41.28 0.00 1.61 0.05 0.14 56.92 14:20:09 0 41.06 0.00 1.71 0.04 0.14 57.06 14:20:09 1 41.08 0.00 1.70 0.03 0.14 57.04 14:20:09 2 41.77 0.00 1.47 0.03 0.14 56.60 14:20:09 3 41.21 0.00 1.55 0.11 0.15 56.98 14:30:09 all 26.46 0.00 0.92 0.03 0.08 72.50 14:30:09 0 26.19 0.00 1.09 0.04 0.08 72.60 14:30:09 1 25.75 0.00 0.84 0.03 0.09 73.30 14:30:09 2 27.54 0.00 0.95 0.02 0.09 71.41 14:30:09 3 26.36 0.00 0.80 0.04 0.08 72.71 14:40:01 all 13.48 0.00 0.62 0.04 0.07 85.79 14:40:01 0 13.68 0.00 0.66 0.10 0.07 85.50 14:40:01 1 13.77 0.00 0.59 0.03 0.08 85.53 14:40:01 2 12.50 0.00 0.62 0.02 0.07 86.79 14:40:01 3 13.97 0.00 0.62 0.01 0.07 85.33 14:50:09 all 10.65 0.00 0.42 0.02 0.08 88.83 14:50:09 0 10.82 0.00 0.41 0.02 0.08 88.67 14:50:09 1 10.80 0.00 0.41 0.03 0.08 88.68 14:50:09 2 10.30 0.00 0.41 0.01 0.08 89.21 14:50:09 3 10.68 0.00 0.46 0.01 0.08 88.76 15:00:09 all 10.32 0.00 0.47 0.02 0.08 89.12 15:00:09 0 10.14 0.00 0.41 0.01 0.08 89.36 15:00:09 1 10.65 0.00 0.41 0.05 0.08 88.81 15:00:09 2 9.90 0.00 0.52 0.01 0.08 89.50 15:00:09 3 10.58 0.00 0.54 0.01 0.08 88.80 15:10:01 all 13.56 0.00 0.56 0.03 0.07 85.78 15:10:01 0 12.80 0.00 0.55 0.02 0.07 86.56 15:10:01 1 14.50 0.00 0.49 0.02 0.08 84.91 15:10:01 2 13.45 0.00 0.58 0.03 0.07 85.87 15:10:01 3 13.50 0.00 0.60 0.07 0.07 85.76 15:20:09 all 15.07 0.00 0.63 0.02 0.07 84.21 15:20:09 0 14.97 0.00 0.65 0.02 0.07 84.29 15:20:09 1 14.90 0.00 0.62 0.02 0.07 84.39 15:20:09 2 14.69 0.00 0.62 0.01 0.07 84.61 15:20:09 3 15.73 0.00 0.61 0.04 0.08 83.54 Average: all 24.68 0.00 1.00 0.04 0.10 74.19 Average: 0 24.50 0.00 1.02 0.04 0.09 74.35 Average: 1 24.77 0.00 0.97 0.04 0.10 74.12 Average: 2 24.54 0.00 1.00 0.02 0.10 74.34 Average: 3 24.90 0.00 1.01 0.05 0.10 73.94